Unplugging of heavy fraction outlet of hydrocyclone

(19)

(11)

EP 0 164 982 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	21.01.1987 Bulletin 1987/04

(43)	Date of publication A2:
	18.12.1985 Bulletin 1985/51

(21)	Application number: 85303893

(22)	Date of filing: 03.06.1985

(84)	Designated Contracting States:
	AT BE DE FR GB IT NL SE

(30)

Priority:

04.06.1984 CA 455797

(71)	Applicant: ELP PRODUCTS LTD.
	()

(72)	Inventor:
	Macierewicz, J.J. ()

(54)	Unplugging of heavy fraction outlet of hydrocyclone

(57) A hydrocyclone heavy fraction outlet unplugging grommet for use in hydrocyclone systems is described. The grommet is self-sealing under the pressures encounted in use and will effectively seal around a relatively large water nozzle inserted therethrough in the course of an unplugging operation.

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